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113 lines
2.5 KiB
JavaScript
113 lines
2.5 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const {arg, DebuggerClient} = require("devtools/shared/client/debugger-client");
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/**
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* Creates a tracing profiler client for the remote debugging protocol
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* server. This client is a front to the trace actor created on the
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* server side, hiding the protocol details in a traditional
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* JavaScript API.
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*
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* @param client DebuggerClient
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* The debugger client parent.
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* @param actor string
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* The actor ID for this thread.
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*/
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function TraceClient(client, actor) {
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this._client = client;
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this._actor = actor;
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this._activeTraces = new Set();
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this._waitingPackets = new Map();
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this._expectedPacket = 0;
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this.request = this._client.request;
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this.events = [];
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}
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TraceClient.prototype = {
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get actor() {
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return this._actor;
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},
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get tracing() {
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return this._activeTraces.size > 0;
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},
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get _transport() {
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return this._client._transport;
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},
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/**
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* Detach from the trace actor.
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*/
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detach: DebuggerClient.requester({
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type: "detach"
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}, {
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after: function(response) {
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this._client.unregisterClient(this);
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return response;
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},
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}),
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/**
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* Start a new trace.
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*
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* @param trace [string]
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* An array of trace types to be recorded by the new trace.
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*
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* @param name string
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* The name of the new trace.
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*
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* @param onResponse function
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* Called with the request's response.
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*/
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startTrace: DebuggerClient.requester({
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type: "startTrace",
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name: arg(1),
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trace: arg(0)
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}, {
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after: function(response) {
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if (response.error) {
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return response;
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}
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if (!this.tracing) {
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this._waitingPackets.clear();
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this._expectedPacket = 0;
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}
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this._activeTraces.add(response.name);
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return response;
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},
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}),
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/**
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* End a trace. If a name is provided, stop the named
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* trace. Otherwise, stop the most recently started trace.
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*
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* @param name string
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* The name of the trace to stop.
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*
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* @param onResponse function
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* Called with the request's response.
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*/
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stopTrace: DebuggerClient.requester({
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type: "stopTrace",
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name: arg(0)
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}, {
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after: function(response) {
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if (response.error) {
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return response;
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}
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this._activeTraces.delete(response.name);
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return response;
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},
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})
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};
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module.exports = TraceClient;
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